#817CD4
Closest named color: Medium Purple (#9370DB). oklch(62.9% 0.13 284.6), rgb(129, 124, 212).
Aa
Black text reads best on this color (5.76:1).
About this color
#817CD4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 63%, its chroma 0.130 and its hue 285°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Purple (#9370DB), ΔE 0.041 away. Black text reads best on it, at 5.76:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Medium Purple (#9370DB) |
| Black text | 5.76:1 |
| White text | 3.64:1 |
Values
| HEX | #817CD4 |
| RGB | rgb(129, 124, 212) |
| HSL | hsl(243, 51%, 66%) |
| OKLCH | oklch(62.9% 0.13 284.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #817CD4 | 3.64:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #817CD4 | 5.76:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #817CD4 text on white | 3.64:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #817CD4 text on black | 5.76:1 | AA | Lc -37.8 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F5F5FB
oklch(97.2% 0.008 286.3)
-
Step 100
100
#E8E8F6
oklch(93.5% 0.019 286)
-
Step 200
200
#D6D6F0
oklch(88.4% 0.036 285.7)
-
Step 300
300
#BBBCE9
oklch(81% 0.063 283.9)
-
Step 400
400
#9998DE
oklch(70.8% 0.102 284.1)
-
Step 500
500 (this color)
#817CD4
oklch(62.9% 0.13 284.6)
-
Step 600
600
#6C64C2
oklch(55.6% 0.142 284.7)
-
Step 700
700
#5A53A7
oklch(49.1% 0.13 284.3)
-
Step 800
800
#4A4488
oklch(42.8% 0.11 284.8)
-
Step 900
900
#3D3A6D
oklch(37.7% 0.085 284.2)
-
Step 950
950
#242240
oklch(27% 0.055 285.1)
#817CD4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5E89D7 | 0.052 |
| Deuteranopia (no green cones) | #5B83D2 | 0.050 |
| Tritanopia (no blue cones) | #698D9E | 0.111 |
| Achromatopsia (no color) | #868686 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817CD4
#817CD4
oklch(62.9% 0.13 284.6)
- #968C0D
#968C0D
oklch(62.9% 0.13 104.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #817CD4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Purple #9370DB ΔE 0.041
- Soft Blue #6488EA ΔE 0.051
- Perrywinkle #8F8CE7 ΔE 0.052
- Deep Lilac #966EBD ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.060
- Cornflower #6A79F7 ΔE 0.063
- Periwinkle #8E82FE ΔE 0.066
- Wisteria #A87DC2 ΔE 0.067
Use #817CD4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.